.header{
    height: 56px;
    background-color: black;
}
.header nav{
    margin-left: 225px;
    line-height:50px;
}

.header nav span{
    font-size: 17px;
    color: #c1c1c1;
}

.span2{
    margin-left: 62px;
}
.span3{
    margin-left: 62px;
}
.span4{
    margin-left: 62px;
}
.span5{
    margin-left: 62px;
}

.article-content{
    background-color: #f5f8fa;
    margin-top: 20px;
    width: 1200px;

}

.article{
    background-color: #ffffff;
    border-top:1px solid #000;
    display: inline-block;
    width: 814px;
}

.red-line{
    width: 800px;
    border-bottom: 1px solid #ffffff;
    margin: auto;
}

.information{
    display: inline-block;
    background-color: #ffffff;
    border-top:1px solid #000;
    width: 362px;
}

